diff --git a/Bin/colors-apply.sh b/Bin/colors-apply.sh
index 9027dbd8..77fa3f64 100755
--- a/Bin/colors-apply.sh
+++ b/Bin/colors-apply.sh
@@ -5,7 +5,7 @@
 if [ "$#" -ne 1 ]; then
     # Print usage information to standard error.
     echo "Error: No application specified." >&2
-    echo "Usage: $0 {kitty|ghostty|foot|fuzzel|pywalfox}" >&2
+    echo "Usage: $0 {kitty|ghostty|foot|fuzzel|walker|pywalfox}" >&2
     exit 1
 fi
 
@@ -86,6 +86,29 @@ case "$APP_NAME" in
         fi
         ;;
 
+    walker)
+        echo "🎨 Applying 'noctalia' theme to walker..."
+        CONFIG_FILE="$HOME/.config/walker/config.toml"
+
+        # Check if the config file exists.
+        if [ -f "$CONFIG_FILE" ]; then
+            # Check if theme is already set to noctalia
+            if grep -q '^theme = "noctalia"' "$CONFIG_FILE"; then
+                echo "Theme already set to noctalia, skipping modification."
+            else
+                # Check if a theme line exists and replace it, otherwise append
+                if grep -q '^theme = ' "$CONFIG_FILE"; then
+                    sed -i 's/^theme = .*/theme = "noctalia"/' "$CONFIG_FILE"
+                else
+                    echo 'theme = "noctalia"' >> "$CONFIG_FILE"
+                fi
+            fi
+        else
+            echo "Error: walker config file not found at $CONFIG_FILE" >&2
+            exit 1
+        fi
+        ;;
+
     vicinae)
         echo "🎨 Applying 'matugen' theme to vicinae..."
         # Apply the theme 
diff --git a/Modules/Settings/Tabs/ColorSchemeTab.qml b/Modules/Settings/Tabs/ColorSchemeTab.qml
index 09377a46..ded074a4 100644
--- a/Modules/Settings/Tabs/ColorSchemeTab.qml
+++ b/Modules/Settings/Tabs/ColorSchemeTab.qml
@@ -697,51 +697,6 @@ ColumnLayout {
         onToggled: checked => {
                      if (ProgramCheckerService.walkerAvailable) {
                        Settings.data.templates.walker = checked
-                       if (checked) {
-                         // Update walker config.toml to use noctalia theme
-                         var configFile = Quickshell.env("HOME") + "/.config/walker/config.toml"
-                         var configDir = Quickshell.env("HOME") + "/.config/walker"
-                         var configFileEsc = configFile.replace(/'/g, "'\\''")
-                         var configDirEsc = configDir.replace(/'/g, "'\\''")
-
-                         Logger.i("ColorSchemeTab", "Updating walker config:", configFile)
-                         Logger.d("ColorSchemeTab", "Config file path:", configFileEsc)
-                         Logger.d("ColorSchemeTab", "Config dir path:", configDirEsc)
-
-                         // Remove existing theme line and insert new one at the top
-                         var script = "echo '[Walker Config] Starting update...' && "
-                         script += "mkdir -p '" + configDirEsc + "' && "
-                         script += "echo '[Walker Config] Directory created/verified' && "
-                         script += "if [ -f '" + configFileEsc + "' ]; then "
-                         script += "echo '[Walker Config] File exists, removing old theme line' && "
-                         script += "(grep -v '^theme[[:space:]]*=' '" + configFileEsc + "' > '" + configFileEsc + ".tmp' 2>/dev/null || cat '" + configFileEsc + "' > '" + configFileEsc + ".tmp') && "
-                         script += "mv '" + configFileEsc + ".tmp' '" + configFileEsc + "' && "
-                         script += "echo '[Walker Config] Removed old theme line'; "
-                         script += "else echo '[Walker Config] File does not exist, will create'; "
-                         script += "fi && "
-                         script += "echo 'theme = \"noctalia\"' | cat - '" + configFileEsc + "' > '" + configFileEsc + ".tmp' && "
-                         script += "mv '" + configFileEsc + ".tmp' '" + configFileEsc + "' && "
-                         script += "echo '[Walker Config] Inserted theme at top' && "
-                         script += "FINAL_THEME=$(grep '^theme' '" + configFileEsc + "' | head -1 2>/dev/null) && "
-                         script += "echo '[Walker Config] Final theme line: '$FINAL_THEME || echo '[Walker Config] ERROR: Theme line not found after update'"
-
-                         Logger.d("ColorSchemeTab", "Executing script:", script)
-
-                         // Execute script using execDetached
-                         Quickshell.execDetached(["sh", "-c", script])
-
-                         // Verify the update after a short delay
-                         Qt.callLater(function () {
-                           var verifyScript = "grep '^theme' '" + configFileEsc + "' | head -1 2>/dev/null || echo 'NOT_FOUND'"
-                           var verifyProcessStr = "import QtQuick; import Quickshell.Io; Process { command: [\"sh\", \"-c\", \"" + verifyScript.replace(/"/g, '\\"') + "\"]; stdout: StdioCollector {} }"
-                           var verifyProcess = Qt.createQmlObject(verifyProcessStr, root, "walkerVerify")
-                           verifyProcess.exited.connect(function (exitCode) {
-                             Logger.i("ColorSchemeTab", "Walker theme verification:", verifyProcess.stdout.text || "NOT FOUND")
-                             verifyProcess.destroy()
-                           })
-                           verifyProcess.running = true
-                         })
-                       }
                        AppThemeService.generate()
                      }
                    }
diff --git a/Services/AppThemeService.qml b/Services/AppThemeService.qml
index ae5f7456..2f3d85a7 100644
--- a/Services/AppThemeService.qml
+++ b/Services/AppThemeService.qml
@@ -115,6 +115,7 @@ Singleton {
                                                         "outputs": [{
                                                             "path": "~/.config/walker/themes/noctalia/style.css"
                                                           }],
+                                                        "postProcess": () => `${colorsApplyScript} walker\n`,
                                                         "strict": true
                                                       }
                                                     })